Quick Amp Power Question

[bart15]

I am wiring up my install and I am trying to get the main power lead through the firewall on my 84. On other installs I have found rather easy ways of running this through a grommet for other wires... this time around not so much. Where/how have you guys been routing your power leads thru the firewall? :seeya

[_Nomad_]

If your power wire is at least 8-gauge or larger then you really should just drill a hole through the firewall just to the left and below the power break booster (that big round disk that the master cylinder is bolted to). There is a clear spot there on the firewall both inside the engine compartment and inside the car.